Artificial tooth



(No Model.) 7

E. O. TAYLOR.

ARTIFICIAL TOOTH. I

Patented May 12, 1891.

,InvenZEr [LBIRT 6; 72mm? 53 allar'ne s NITED STATS PATENT O FICE.

ELBERT O. TAYLOR, OF HUMANSVILLE, ASSIGNOR OF ON E-HALF TO EDYVARD N. LA VEINE, OF KANSAS CITY, MISSOURI.

ARTIFICIAL TOOTH.

SPECIFICATION forming part of Letters Patent No. 451,959, dated May 12, 1891.

Application filed January 23, 1891. Serial No. 378,800. (No model.)

To all whom it may concern: B. In Fig. 3 the wire 13 is shown in position Be it known that I, ELBERT O. TAYLOR, a in the recess a. When in this position, Ibend citizen of the United States, residing at I-Iuor straighten out the brace portion 19 by forcmansville, Polk county, Missouri, have ining inwardly with a suitable tool applied to vented certain new and useful Improvements the central portion of the brace, by which in Artificial Teeth and in the Process of Semeans the brace b is flattened or made curing them to the Base-Plates or Artificial straight, as shown in Fig. 4, which at the Dentures, of which the following is a specisame time causes the inner ends of the sides fication. b of the device to spread. apart in opposite [0 It is customary to secure artificial teeth to directions and rest against theundercut sides 35 the baseplate by means of pins, which are of the recess. The device B is of such a size secured by baking the teeth around the pins; and construction as to cause the brace 11 and but it is much better and easier to first form the lower ends of the sides I) to fit snugly the tooth and then secure in place the pin or against the bottom and opposite sides of the I 5 fastening device. Heretofore difficulty has recess, as is clearly shown in Fig. et. That been experienced in securing a strong and portion of the recess a not occupied by the secure connection between the pin and the wire is filled in with suitable material C. This tooth when thus fastened. way of fastening the wire to the tooth is According to mypresentinvention the tooth simple and secure. It cannot be withdrawn 2c is first formed with a recess and a fastenfrom the recess, because the lower bent ends ing-wire of suitable shape is seated in this of the brace 12 are inclined in opposite direcrecess and securely fastened, therein. The tions and rest against the inclined or underdetails of construction and the manner in cut portions of the recess. The lower ends which the fastening device is secured to the cannot be bent inwardly, because they are 25 tooth will behereinafter more fully explained. held apart and braced by the portion b In the accompanying drawings, Figure 1 is I claim as my inventiona perspective view of a block of artificial 1. A fastening device for artificial teeth, teeth, showing also my improved fastening formed with parallel sides, and a bent-up or devices. Fig. 2 is a transverse section of a curved brace extendinginwardly between the 0 tooth with one of my improved fastening desides and adaptedto be forced outwardly to vices in position ready to be inserted in the force the sides into the undercut recess of an recess in the tooth. Fig. 3 is a similar View artificial tooth, substantially as set forth. showing the fastening device inserted in the 2. The process herein described, which conrecess. Fig. at is a similar view showing the sists in forming an artificial tooth with an 35 fastening device seated and secured in the undercut recess, inserting'into the recess a recess. fastening device or wire having parallel sides I first form and bake the tooth A, which is b and a curved or bent portion b then flatprovided with an undercut recess a in its rear tening out the bent portion, and then filling face. The fastening device or wireB is first in the recess With suitable material. 40 formed with parallel sides I), having headed In testimony whereof I have hereunto subends I) and a bent or curved bendable eonscribed my name.

necting-brace 12 A fastening device thus ELBERT O. TAYLOR. formed is shown in Fig. 2 ready to be in- \Vitnesses: serted into the recess a, which at its outer VIRGINIA AMOLDIA,

5 end is just wide enough to receive the wire MARIE DELAFOSSE. 

